Talking about dog owners in the way some people are on here would be totally unacceptable if you swapped colour, creed or race for the words "dog owners". As for the post by Phoenix, who quite rightly the defended majority dog owners, talking about ^ the little old lady with her spaniel/Yorkshire terrier/Labrador (whatever) is the same as the young lad with his collie/staffie/mongrel?^ is also stereo typing. I see lots of people of both descriptors and you get varying degrees of training, social responsibility and politeness from both.
Lavazza1st, (our favourite coffee too) I am so sorry you are going through a traumatic time. If you don't know what it is like for somebody to suffer PTSD, it can be difficult to understand the impact of what such an incident can have on you.
As for the dog owner, on the face of it, it was ignorant of him not to apologise or be "in charge" of his dog. However, he was probably panicking too and sometimes rational thought goes out of the window. For all we know, that dog might be the only thing he has to love in his life or maybe his kids' dog. Dog theft is so prevalent these days, especially if the dog was a particular breed, losing it might have left him equally overflowing with adrenaline.
Just for the record, I am a dog owner, I do pick up after him, he has been trained, I do get him back on lead when I meet people on our walks and I would be totally mortified if he hurt anyone in any way. However, I also meet loads of people who behave totally inappropriately towards my dog too. Parents who let their children touch him without asking, people who start grabbing their little dogs and shouting before he is anywhere near them and cyclists who whizz past us leaving a hair's breadth between us. If anything happened, somehow it would probably be "the dog's fault"!